A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6620-01-492-9508
NSN 5998-01-521-4174
NSN 5996-01-318-3163
NSN 6620-01-646-0105
NSN 4140-00-264-5796
NSN 6685-01-460-7839
NSN 6145-01-196-0496
NSN 5990-01-623-0082
NSN 5960-01-495-0859
NSN 6685-01-440-0491
NSN 5996-00-389-7404
NSN 5945-01-605-8898